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package eu.dnetlib.pace.condition;
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import java.util.List;
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import com.google.common.collect.Iterables;
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import eu.dnetlib.pace.model.Field;
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import eu.dnetlib.pace.model.FieldDef;
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/**
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* Returns true if the number of values in the fields is the same.
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*
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* @author claudio
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*/
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public class SizeMatch extends AbstractCondition {
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/**
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* Instantiates a new size match.
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*
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* @param fields
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* the fields
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*/
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public SizeMatch(final List<FieldDef> fields) {
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super(fields);
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}
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/*
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* (non-Javadoc)
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*
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* @see eu.dnetlib.pace.condition.AbstractCondition#verify(eu.dnetlib.pace.model.FieldDef, java.util.List, java.util.List)
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*/
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@Override
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protected int verify(final FieldDef fd, final Field a, final Field b) {
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// if (a.isEmpty() & b.isEmpty()) return 1;
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//
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// if (a.isEmpty()) return -1;
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// if (b.isEmpty()) return -1;
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return Iterables.size(a) == Iterables.size(b) ? 1 : -1;
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}
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/**
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* Checks if is empty.
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*
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* @param a
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* the a
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* @return true, if is empty
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*/
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protected boolean isEmpty(final Iterable<?> a) {
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return (a == null) || Iterables.isEmpty(a);
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}
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}
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